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Finding the Fourth Proportional to 433.20, 598.08 and 335.18

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Solution

The fourth proportional to 433.20, 598.08 and 335.18 is: 462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.20 : 598.08 = 335.18 : x
  2. Step 2: Convert to fraction form
    433.20/598.08 = 335.18/x
  3. Step 3: Cross multiply
    433.20x = 598.08 × 335.18
  4. Step 4: Simplify right side
    433.20x = 200,464.45
  5. Step 5: Solve for x
    x = 200,464.45/433.20
  6. Step 6: Final answer
    x = 462.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.